Typewriting machine



J. PHELPS TYPEWRITING MACHINE June 16, 1936.

Filed Jan. 31, 1954 Q s Sheets-Sheet 1 WITNESSES ATTORNEY June 16, 1936. J. PHELPS TYPEWRITING MACHINE Filed Jan. 31, 1934 3 Sheets-Sheet 2 INVENTOR ATTORNEY June 16, 1936. J. PHELPS ,5

TYPE-WRITING MACHINE Filed Jan. 31, 1934 3 Sheets-Sheet 3 INVENTOR ATTORN EY Patented June 16, 1936 mnwnrrmo moms Joseph Phelps, Herkimer, N. Y., assignor to'Rem ington Rand Inc., New York, N. 1 a corporation of Delaware Application January 31, 1934, Serial No. 709,179 8 Claims. (Ci. 1 97-60) My, invention relates to typewriting machines and more particularly to means for efiectively supporting the carriage in the rear of the printing point to resist or counteract the pressure exerted on the platen by the type bars, without,

reference characters indicate corresponding.

parts in the different views- Fig. 1 is an enlarged, detail, fragmentary, fore and aft vertical sectional view of a portion of the machine, showing the features of my invention embodied therein.

Fig. 2 is an enlarged, detail, rear elevation showing some of the parts disclosed in Fig. 1 and with parts in section and parts broken away.

' Fig. 3 is a transverse, horizontal sectional view of the parts shown in Fig. ,2, the section being taken on the line 33 of Fig. 2 and looking in the direction of the arrows at said line.

' Fig. 4 is a side view with parts in section and showing the connections between the manually controlled adjusting device and some of the parts controlled thereby.

Fig. 5 is a front view of said manually controlled adjusting device and some of the associated parts.

Fig. 6 is a view which shows in perspective various parts detached from one another and which enter into the construction of the present invention.

Fig. 'l is a detail, perspective view of the carrier for the anti-friction rollers as. seen from the specially designed and inwhich they may beof this character and also provide means that 10 afford an easy relative travel and case shifting movements between the carriage and said support with which it coacts. The construction is such, moreover, that a bodily adjustment of such support and carriage may be readily efiected as it:

a single unit'fore and aft of the machine with the aid of an easily accessible, manually controlled adjusting device.

Referring more particularly to Fig. 1 it will be seen that a cylindrical platen it is carried by a 20 carriage to travel across the machine, the side plates of said carriage being indicated at M. These side plates are connected by cross bars 82 i3 and M, the bar it being detachably secured to the carriage by screws 83. The cross bar 25 [it is provided with raceways it in the opposite edges thereof to receivecrossed bearing rollers it that likewise receive a bearing in the oppositely grooved rails ll and it that constitute the usual support on which the carriage travels in 36 its movement from side-to-side of the machine.

The united rails ii and iii are in the nature of a case shift frame and are provided with depending lugsla to which are pivoted, at to, rearwardly extending case shift arms 2i. From a 5 consideration of Figs. 1 and 8 it will be seen that each of these arms is adjustably connected by two screws 22, to an arm 23 formed integral with a rock shaft 2%. This shaft is mounted at its ends on hearing screws 25 (Fig. 8) in upstanding 40 lugs 26 that project from a slidably mounted support N. The arms 23 are under control of the usual case shift keys (not shown) to efiect a case shifting movement of the carrla-gemd the platen carried thereby.

The sliding support 21 extends from side-toside of the machine and is supported at its ends 'on hearing members 28 of a cross bar Xthat extends from side-to-side of the machine and is fixed to lugsze on the side plates 30 ofthe- 5 frame by screws 38. Retaining blocks 82 overlap the sliding support 21 at the ends thereof toprevent upward displacement of the sliding 1 mm 4 said retaining blocks being held in place y screws 83. The sliding support 2'! has center thereof. These members are received between and are guided against lateral displacement by upstanding parallel guide members on the fixed cross bar X. The lower ends of the members 34 are supported and have a slid-- ing bearing fore and aft of the machine on the cross bar X.

In order to effect a fore and aft adjustment of the sliding support 21 and the parts connected therewith I have provided the usual manually controlled adjustable finger piece 36 (Figs-4 and 5) in a convenient location for manipulation by the operator, the finger piece in the present instance being, located in the front of the machine.

This finger piece is carried at the free end of a crank arm 31 fixed by a screw 38 to an interiorly threaded sleeve 39 mounted to turn freely in a bearing in the front plate 40 of the frame.

The head of the sleeve 39 and the coacting rear.

side of the arm 31 are serrated to hold these parts to turn together. A screw 4| is received in a tapped opening in the sleeve 39 so that a turning of the sleeve will effect a forward or rearward adjustment of the screw 4| and the parts connected therewith. The screw 4|? is bifurcated at its rear end to receive the forward end of a link 42 which is pivoted to the screw at 43. The rear end of this link is pivoted at 44 to an upstanding projection 45 on the sliding support 21 and located about midway in the length thereof. These parts for adjusting the carriage are substantially the same as those heretofore employed in the No. 6 Remington noiseless machine.

From the foregoing description it will be understood that the entire carriage may be adjusted forward or rearward depending on the direction in which the finger piece 36 is adjusted and that the effect of this is to vary the platen relatively to the printing faces of the type bars when the latter are projected to printing position under control of the usual toggles by which they are actuated. This compensates for the various thicknesses or numbers of work sheets that may be employed in the machine.

In the present construction the slide 21 is provided with an extension comprising two parallel supporting members 46 that extend upward in the rear of the platen and in the rear of the printing point indicated by the dotted line a in Fig. 1. This extension constitutes a support for the carriage at the place indicated to resist the backward thrust of the type bars against the platen.

In accordance with my present invention I provide anti-friction rollers between the carriage and the rigidly held though adjustable support 46, as will now be described.

An upright slightly inclined metal guide plate 41 is fixedly secured by screws 48 to the supporting members 46. Anti-friction rollers 49, (five in the present instance) bear against the guide plate 41 and are arranged one above another with their axes horizontally disposed. These rollers at their ends are loosely disposed and guided in upright channels in an anti-friction roller carrier, designated as a whole by the referencev numeral 50 and shown detached in Fig. '7. The channel at each end of the carrier which receives the rollers 49 is provided with an end wall 5| formed as a part of the body of the carrier and which prevents an endwise displacement of the rollers. A metal strap 52 is secured by screws 53 and 54 (Figs. 6 and '7) to the carrier 50 near each end thereof. Each strap forms an enclosure and rear, top and bottom walls of the channels integral depending bearing members 34 near the in which the ends of the rollers 49 are received, said rollers bearing at one side against the upright rear wall' 55 of the carrier'50 and at the .other side against the guide plate 41. The antifriction rollers 49 are provided to afford an easy case shifting movement of the carriage relativelyto the rear support 46 while at the same time providing an' effective support for the carriage in the rear of the platen, as will hereinafter more clearly appear.

In order to limit the downwardmovement of the rollers 49 I prefer to employ stops in the nature of brackets 49*: which are secured to the members 46 by screws 49 as best shown in Fig. 2.

The front face of the carrier 59 has a horizon- 15 tally disposed groove 56 therein which receives the rear edge portion of the cross bar |3 of the carriage with a loose fit, so that said bar is free to move longitudinally, or in the direction of the travel of the carriage, independently of the carrier. When, however, the carriage receives a case shifting movement the cross bar l3 will be shifted laterally therewith and will move the carrier 50 up or down therewith.

In order that the cross bar l3, and therefore the carriage, may move freely in the direction of the travel of the latter, and without material friction against the relatively fixed carrier 50, I provide the latter with anti-friction rollers 51. The axes of the pivots 58 for these rollers are upright or at right angles to the axes of the rollers 49. The rollers 51 are so disposed on the carrier 50 that the rear edge of the cross bar l3 will bear against them and maintain such edge free from contact with the rear wall of the groove 35 56. This enables the carriage to move independently of the carrier 56 and the support 46 to which it is operatively connected, as will presently appear, with little frictional resistance and yet provide an eifective support for the carriage back of the printing point.

In order that the anti-friction roller carrier 50 may be held relatively to the support 46 against movement in the direction of the travel of the carriage, I provide a holding bracket 59 that has an upright slot 60 therein to receive a screw 6|. A nut 62 and washer 63 clamp the bracket 59 in place against a second square nut 64 on said screw so that there is no frictional resistance between the bracket 59 and the guide plate 41 during the case shifting movement of the carriage. The arm 65 of the bracket terminates in a depending portion 65 and said arm and terminal portion pass through an upright slot 66 in the guide plate 41 and into a recess 61 in the upper edge of the car- 55' rier 50 and by engaging the side walls of said recess prevents the carrier from moving in the direction of the travel of the carriage.

In addition-to the anti-friction rollers 51 which coact with the rear edge of the cross bar I3 I 60 provide anti-friction rollers 68 which coact with the front edge of said cross bar. The rollers 68 are mounted on upright headed pivots 69 carried by a bracket .16. The upright foot piece of this bracket has a rectangular opening ll therein -fi5 through which the screw 6| passes after first passing through an opening in a washer plate I I. v The square nut 64 into which the screw 6| is threaded fits and is received in the opening H which prevents the nut from turning. Located. 70 between the rollers 68 is a'headed pin 12 which is out of contact with the cross bar l3, but the head of which pin overlaps the top of said cross bar.

From the foregoing description it will be'un-.7

- and the carriage, whereas a corresponding move derstood that a case shifting movement of the carriage willcause the bracket 79 to m shiftedwith the cross bar It. Due to the fact that the brackets 10 and 59 are united by the screw ti and nuts 62 and 5 3 these parts likewise will partake of the case shifting movement of the cross bar it thereof by a screw it. Each of these stops has two arms l5 that coact with an edge of the guide plate i l to limit the movement of the carriage. By removing one of the stops it, the screw it and the brackets 5i) and l the carriage may he moved endwise off the machine.

It will he understood that the screw 6i and nuts 66 and 52 provide means for efiecting relative adjustments between different parts with which they are associated.

It will be seen that the carriage has a two-way movement one being a case shifting movement and the other a movement in the direction oi its travel; that the support it though adjustable is fixedly held in any position to which it may be adjusted and that the anti-friction bearing rollers 69, Ell and 58 are in the nature of auxiliary rollers and are employed in addition to the rollers it by which. the carriage is supported.

It will be observed, moreover, that in the pres= ent construction various parts are inclined to ac= cord with the inclined shift of the platen, asdistinguished from a vertical shift thereof in earlier No. 6 Remin ton noiseless machines.

While 1 have descrlbed in detail the means whereby the carriage and the supporting means therefor in the rear oi the printing point may be bodily adjusted as a single unit lore and aft of the machine, it should be understood that any suitable means may be employed for this purpose.

Various changes may be made in the construgz= tion, and certain parts thereof may be employed without others, without departing imp-a my in vention as it is defined in the accompanying claims.

What i claim as new and desire to secure by Letters Patent is: 4

1. In a typewriting and like machine, the com bination of a carriage that has a two=way movement, one being a case shifting movement and the other a traveling movement, a platen carried by said carriage, a fixedly held support that extends up in the rear of the platen and back of the printing center to resist the thrust of the type bars against the platen, the usual anti-e friction rollers by which the carriage is supported in its traveling movement, a cross bar carried by the carriage intermediate the carriage and said support, and auxiliary anti-friction rollers that coact with said cross bar on the front aud t-ear edges thereof, the auxiliary rollers that coact with the rear edge oi the cross bar being interposed between said bar and said support.

2. In a typewriting and like machine,'the combination of a carriage that has a two-way move! ment, one being a case shifting movement and the other a. traveling movement, a platen carried aoeacsi type bars against the platen, an anti-friction roller carrier that is shiftable with the carriage in the case shifting movements thereof but relatively to which the carriage is movable in the di rection of its travel, and anti-friction rollers carried by said carrier and bearing against said support to afiord an easy case shifting movement of the carriage relatively to said support. 3. In a typewriting and like machine, the combination of a carriage that has a two-way move- 1 ment, one being a case shifting movement and the other a traveling movement a platen carried by said carriage, a fixedly held support that extends up in the rear of the platen and back of the printing center to resist the thrust of the type 1 bars against the platen, an anti-friction roller carrier that is shiftablc with the carriage in the case shifting movements thereof but relatively to which the carriage is movable in the direction of its travel, anti-friction rollers carried by said car 2 rier and bearing against said support to afiord an easy case shifting movement of the carriage relatively to said support, and a second set of anti-friction rollers carried by said carrier and with which the carriage coacts to afiord an easy 3 travel thereof.

,4. In a typewriting and like machine, the combination of a carriage that has a two-way movement, one being a case shifting movement and the other a traveling movement, a platen carried by said carriage, a fixedly held support that errtends up in the rear of the platen and back of the printing center to resist the thrust of the type bars against the platen, an anti-friction roller carrier that is shiftable with the carriage 4 in the case shifting movements thereof but relatively to which the carriage is movable in the all rection of its travel, anti-friction rollers carried by and carrier and bearing against said suppor to afiord an easy case shifting movement oi mi carriage relatively to said support, a second sea of anti-friction rollers carried by said carrier and with which the carriage coacts to attend an travel thereof, and manually controlled means for efiecting a simultaneous adjustment oi said carriage, carrier and anti-friction rollers lore and aft of the machine.

5. In a. typewriting and like machine, the com bination of a carriage that has a two-way moveinent, one being a case shifting movement and the 50 other a traveling movement, a platen carried by said carriage, a firedly held support that extends up in the rear oi the platen and back oi the print lug center to resist the tln'ust oi the type hare against the platen, an anti-motion roller carrier that is shittahle with the carriage in the case shitting movements thereof but relatively to which the carriage is movable in the direction of its travel, anti-friction rollers carried by said car 'rier and bearing against said support to afiord an easy case ting movement of the carriage roletively to said support, and a second set of antifriction rollers carried by said carrier and with which the carriage coacts to afiord an. easy travel thereof, the first mentioned anti-triction rollers 6 having their. axes disposed'horizontally and the second set of anti-friction rollers having their axes disposed at substantially right angles to those of the first mentioned set.

ment, one being a case shifting movement and the 6. In a typewriting and like machine, the combination of a carriage that has a two-way moveother a traveling movement, a platen carried by i said carriage, a fixedly held support that extends i5 up in the rear of the platen and back of the printing center to resist the thrust of the type bars against the platen, a grooved anti-friction roller carrier, a cross bar on the carriage that is received in the groove in the carrier and causes the latter to receive a case shifting movement with the carriage but affords a traveling movement of the carriage relatively to said carrier, a set of anti-friction rollers carried by said carrier and bearing against said support, and a second setzof antifriction rollers carried by said carrier and against which said cross bar bears.

7. In a typewriting and like machine, the 'combination of a carriage that has a two-way movement, one being a case shifting movement and the other a traveling movement, a platen carried by said carriage, a fixedly held support that extends up in the rear of the platen and back 'of the printing center to resist the thrust oi! the type bars against the platen, a grooved anti-friction roller carrier, a cross bar on the carriage that is received in the groove in the carrier-and causes.

the latter to receive a case shifting movement with the carriagebut affords a traveling movement of the carriage relatively to said carrier; a set of anti-friction rollers carried by said carrier and bearing against said support, a second set of anti-v iriction rollers carried by said carrier and against which said cross bar bears, and manually controlled means for effecting a simultaneous adjustment of said support, carriage and carrier as a single unit fore and aft of the machine.

8. In a typewriting and like machine, the combination of a carriage that has a two-way movement, one being a case shifting movement and the other a traveling movement, a platen carried by said carriage, a fixedly held support that extends up in the rear of the platen and back of the printing center to resist the thrust of the type bars against the platen, a grooved anti-friction roller v carrier, a cross bar on the carriage that is received in the groove' in the carrier and causes thelatter to receive a case shifting movement with the carriage but affords a traveling movement of the carriage relatively to said carrier, a set of antifriction rollers carried by said carrier and bearing against said support, the axes of said rollers being horizontally disposal and aiding in effecting an 20 easy shift of the carriage in its case shifting movements, and a second set of anti-friction rollers carried by said carrier and against which said cross bar bears, the axes or said last mentioned rollers being disposed at right angles tothe axes of the first mentioned rollers and coacting with said cross bar on opposite sides thereof.

JOSEPH PHELPS. 

